package org.example.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import org.example.common.R;
import org.example.dto.DishDto;
import org.example.entity.Category;
import org.example.entity.Dish;
import org.example.entity.DishFlavor;
import org.example.service.CategoryService;
import org.example.service.DishFlavorService;
import org.example.service.DishService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto)
    {
        log.info(dishDto.toString());

        dishService.saveWithFlavor(dishDto);
        return  R.success("新增菜品成功");
    }

    @GetMapping("/page")
    public R<Page> page( int page,int  pageSize, String name)
    {
        log.info("page is {},{}",page,pageSize);
        Page<Dish>  pageInfo =new Page<>(page,pageSize);
        Page<DishDto>  dishDtoPage =new Page<>(page,pageSize);
        LambdaQueryWrapper<Dish> queryWrapper =new LambdaQueryWrapper<>();
        queryWrapper.like(name!=null,Dish::getName,name);
        queryWrapper.orderByDesc(Dish::getUpdateTime);

        dishService.page(pageInfo,queryWrapper);

        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto>  list = records.stream().map((item)->{
            DishDto dishDto =new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId =item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if(category!=null)
            {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }

            return  dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    @GetMapping("/{id}")
    public  R<DishDto>  get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);

        return  R.success(dishDto);
    }

    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto)
    {
        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);
        return  R.success("修改菜品成功");
    }

//    @GetMapping("/list")
//    public  R<List<Dish>>  list(Dish dish)
//    {
//        LambdaQueryWrapper<Dish> queryWrapper =new LambdaQueryWrapper<>();
//        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
//        queryWrapper.eq(Dish::getStatus,1);
//        queryWrapper.like(dish.getName()!=null,Dish::getName,dish.getName());
//        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
//        List<Dish> list = dishService.list(queryWrapper);
//        return R.success(list);
//    }

    @GetMapping("/list")
    public  R<List<DishDto>>  list(Dish dish)
    {
        LambdaQueryWrapper<Dish> queryWrapper =new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.like(dish.getName()!=null,Dish::getName,dish.getName());
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);
        List<DishDto>  dishDtoList = list .stream().map((item)->{
            DishDto dishDto =new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId =item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if(category!=null)
            {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper =new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
            List<DishFlavor> dishFlavors =   dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(dishFlavors);
            return  dishDto;
        }).collect(Collectors.toList());



        return R.success(dishDtoList);
    }
}
